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' i .l r rif-Wm Rimini .Spcccntion of Li ,Ei nlicationledAnOuSt M mi?. heraiffo. 1Mb/5.25.

To all ywhom 'iff may con/:ern:

Be it known 'that l, Tommi l. liloonn, a citizen of the VUniti-1l Sintes, rcsiilinn rit Pittsburgh7 in the county oi' Allegheny :unl 'State of Pennsylvania, hnrc inventan curtain new and useful n'iprovcuumts in Furnace- Chnrging Apparntun, oi which the ollowing is a spccicution.

The machine comprisingr thin "nvcntion Was devised `primarily 'lor the pnrnone oi? charging nrc typo elcctric 'lui-mico, wherein it is desired to. deliver the raw nuitcriul `lo thofurnncc in clnirgingf boxes brought un to the 'charging door of the 'furnace upon n car, thc boxes boing rcn'ugn'crl iroin the cnr and .inscrtcd into tho luri'incn through the charging door nml thor, inverted in 'to discharge nintcrinl nt various pointS on thc furnace honrth, Lifter which `tho hor; withdrawn from thc furnace nnfl nggnin flepos-iitcil on the cnr, upon which it is; tinnssportcil linclc to the stock piln to br, reiillcd.

Unc of tho objects; of this im'cntion to provide nn improved form ot' apparatus whereby these opcrntions may be. bctlcr per formed, and which oi' such n flexible character as to adapt it to portoni: other functions connected with the operation of the furnace.

0 Another object of the invention i5 to pro Vide n charging n'icclnmisu'i which is loczit'oil ntja high point in the building' ovcnthc clenrwny necessary for the usual truvcling crane, thus giving the maximum lift to the electrodes which" usually. dctcrmincs the height of the furnace building'gl whore the electrodes nre hantilcd by moans of n innin traveling crane.

A. -further object of thc invention is to so pivot t c crane part o1' the clnirgiriffgm sipna rntus as to locato itjznn'iedintcly over the center of the door opening, thus nutoinnti# cnllyu causing thc charging; box to enter through the doorway no ninttcr into what position the overhead cranio muy hnre been slowed to distributo thc chai-gc of the charging box on any denircdpotion of the furnace hearth, thus inducing the liability of thc operator injuring; thcv furnzu'c door pcning by rninming it with thefchnrgingil 0K.

i'itlnr objects ol1 tho Suhl inromion `will moro rczulily nonoui' from, thc iollo,.'iu; {iclscrinion. in n'liirh reir-rouw will be limi to ihn :ivcoiunmying 'lrzuviugnm n'lzcrcin :M-

i1`igi-ue l rcgirosentu in sion clcrntion n form oi apparatus onibmlyingf luy invinlioo;

ifin is n detail horicontnl onction nl" thc charging box? sul'iiliortinigl' zn'iu :unl pants iinn'ioilintnly nfssoointnfl tlicrmvitli 5 Fig. l is n (lingrnni illustrating; li'li'crcnz: angular ponitionrs in :i liorii/ionlul plinio to which tho charging box muy bc brought within the furnace;

Fig, -lis :t ilingmni uluiwing n Initialv oi Sortez-nl lurimrcs mul cflniiinwn't according to liny i nvifzntion;

Fin'. 5 is un enlnrncri exitation on the lino fr ofiin'. l anni "ihn". il lun. t2.

ln thc ncooiupnnying drawings, "l rcpri scnl's un nrc-typo clectric furnncc; i), the ii'erlirnlly uiovnblc olectrq'iilcsg'l, tho rlinrn ing opcningr; Il, the charging: door; 5, the lintvl or yoke of anni@ irointhrouggjh which snifl loor Slides vertically :nul which cx tends outwardly thcrniiron; o7 thc churning lilnt'lmln; 7, the churgingg' cnr ndnptou 'lo iii-n vcl in iiront ol thc clinrgiiw opcning` on :t '..rncl locutcd on said plnliorau, nml fi, the vlinrggingg box in which 'the nmlerinl is bnought to ilic lurnuon :unl ilclivcrcil thorointo? Suid churning box "oclugy preferably curvcil or cylimlriozil inycrosn ucctum, :u: shown nlorst clczu'ly in bini. (i. lt is nn mi Vnntngo ,to nullo-a the chaining liox cylindrical ii"i"" :1'oss suction, ns iniliunlul, .15in than, when rotntqil oh in; zixin, tbc churn-s which it; contains iuny eiliilc n round insiilc ibo box y-nnfl permit thc lntlcr to' rolnlc on it@` nxis without lnnf'ing' to overcome such rcsistnncc of the' chin-gc nn would occn' in thv, coso where its centri' ol gravity (lul notroincnlc with thc center oi rolntion oll tho box. Thin churning' box couiprisoo :in clougnu'cil rovi;:in3;illnr open toap'cil uictnl structure7 one of the nulos of which hns n 'tanni-cd ,socket lo Fon-thc purpose oi lifting; thc charging box Sironi tlm cnr, inserting it into thc furnace, rotating it on it@` longitudinal :mis so 'as to discharge its contents, nndthcn witbgli lill) When desired, the link' connection between the trolley 29 and motor hoist 3G may he disconnected and the hook 3l disconnected from the rod 33, and the thrust rod. unscrewed from parte E25 and t28, thus ireeiiirf the motor hoist 36 and permittingr it to be I used for other purposes, such, for exampic, as hoisting the electrodes oi the furnace and transporting them 'to a desired point.

lVhen a battery of furnaces employed, each furnace would preferably be provided with an individual charging mechanism and have a charging car track common to all oi the furnaces, as shown in the diagram, 4t. My invention also contemplates the ein ployment, in a battery of furnacesarraned as above, of a charging box car arrangeu to travel on a track paialleling the row 0f furnaces in rear thereof, while the front of said row of furnaces is served by an overhead traveling,- crane 45 for handlingr the ladles 4G containing molten steel or other metal, said crane being adapted to travel to Ward and away from the furnaces on over head tracks 457 and provided with a suitable hoist 48.

It will be understood that various modifi cations may be made in my invention as here shown and described without departing from the spirit thereof.

What l claim is 1. A furnace ehargin f" apparatus, coni prsing a-support rotate ly mounted on a. vertical axis passing through the furnace lcharging opening, and charging means suspendecl from said support and movable toward and away from the furnace openinef.

2. A furnace charging apparatus, conn prising a crane rotatably mounted on a vertical axis passing through the furnace charging opening, and adapted to swing in a hori zontal plane, and charging means suspended from said crane and movable toward and. awayv from the furnace opening.

3. Mechanism of the class described, coinprising a crane pivotally mounted-to rotate in a horizontal plane above the furnace on an ais located directly over the vertical center of the furnace charging opening, a motor hoist mounted to tiavei thereon, a charging box supporting arm, and means to suspend said arm from said Inotor hoist,

4. Mechanism of the class described, comprising a pivotally mounted crane, a 4motor hoist mounted to travel thereon, 'a charging box supporting arm, and 'means to suspend said arm from said motor hoist, said means including a rearwardly bowed hoolr adapted to space the lintel of the furnace door.

5. Mechanism of the class described, coni-V prising a pivotally mounted crane7 a motor hoist mounted to travelthereon, ay trolley also mounted to travel on said crane, detach able means to connect saiol trolley to said motor hoist, a charging box supporting aria, v

said motor troliej,v at one point and hoist at another nonna l5. hinein i: the class deacriiied, coin'- prising a pivotany mounted crane, a motor hoist mounted. to travel tliereon, a trolley also mounted 'to travel on said crane, d ctaclif able means to conne t said 'trolley to said inotor hoist, a charging boni supiioitin; arni, thrust roo. connected to suspend said arni troni said trolley at one point, and ineain; in cluding' a cable from said inoor heisst to suepend said arm at another point.

7 A; furnace ci'iarg'iiigi; apparatus, coin-A prieinga crane. rotatif ilv mounted, on a vcrtical airis passing thi-ou h the, "turniwecharg;n opening, and having," a jib, a charging box, supporting irin thercfor, and means for si. ending; said supporting; arin frein said jio to pci-init the nioenient oit the arm. in a longitudinal direction toward and away from the furnace opening.

8. ri furnace chai-sf Y apparatus, coni prision; a crane rotataoly mounted on a vertical axis passing through the 'furnace charginer opening, and having a jib, a supporting' arm carried by said, jib and movable longji` tudinally thereoiz toward and away from the' furnace charging; opening, a detachable hoja' carried by said supporting aibn at the end adjacent to the furnace, and means carried by the opposite end of erin causing 'the rotation oi the bei; to einigt the contents thereof.

9. Mechanism oi the class described, comprisinfg, in combination with a furnace charging heb; low arin adapted to entend at one end into said socket, and a screw rod extending axially through said arin and adapted to 'eind said arin in said socket. i l

1.0, Mechanism for .charging .iurnaces, comprising; a pivotally mounted crane, a in@ tor hoist mounted to travel thereon and provided with a hoisting cable. a trailer cornprieing; a trolleyv also nioinited to travel on said crane, means to detachahly connect said trailer to said motor hoist, a charging; boit, ari'n, a thrust rod. liz/wing; one end connected,

to said trolley, a bearing in which said. arm

is rotatably mounted, ineens te flexibly connect said bearing to the lower end of said. rod, a 'second bearinff in which said arm is rotatably mounted4 and. located between title first heai'ing and the charging hor. engaging end Said ari'n, a lifting rod connected to said last-mentioned bearing, and. a brace con nectinrr housings oiz said bearing l1. liiiechaniein for charging' furnaces, comprising' a cranc'inounted to rotate in. a horizontai )plane above the furnace, a motor hoiet mou ad to travel on said crane and provided i ith a hoisting cable, a trailer coinprisingg a trolley mounted to 'travel on said. era-ne, .means to connect said traiier 'to having a tapered socket, a holf` lill@ 

